Cerebral Venous Sinus Thrombosis: Prognostic and Therapeutic Significance of an Early Radiologic Diagnosis

Author:

Roncallo F.,Turtulici I.1,Arena E.,Bisio N.,Inglese M.,Assini A.,Gasparetto B.2,Bartolini A.

Affiliation:

1. II Servizio di Radiologia, Ospedale San Martino

2. CNR - Centro di Studio per la Neurofisiologia Cerebrale; Genova

Abstract

We describe the CT and MRI patterns of cerebral venous sinus thrombosis (CVST) on the basis of the venous angioarchitecture and the underlying pathophysiological mechanism. We also investigated if any radiologic data exist to establish which patients can be followed conservatively and which warrant endovascular treatment. The clinical, CT-CTA and MRI-MRA findings of 11 patients (2 men; 9 women; 24 to 69 years-old) with CVST were reviewed. The morphological patterns of CVST were divided into two major groups: Vascular signs: spontaneous sinusal hyperdensity (9); spontaneous all-sequences hyperintensity (4); venous engorgement (9); empty delta sign (4); lack of sinusal contrast-enhancement (3); delayed sinusal transit-time (11); lack of flow-related signal (3). Parenchymal signs: mass effect and cortical sulcal effacement (8), white matter edema (7), venous ischemia (6), haemorrhagic infarct (3), breakdown of the blood-brain barrier (4), hydrocephalus (2). The clinical and radiologic pictures are related to cerebral venous angioarchitecture and underlying pathophysiologic mechanism of venous thrombosis. Reversibility of clinical symptoms and parenchymal lesions is far more frequent, because vessel damage slowly and progressively develops, whereas damage to brain tissue occurs later. Consequently, a prompt CT-MRI diagnosis may allow a good prognosis. Treatment using selective sinusal instillation of urokinase is considered only when the patient clinically and radiologically does not improve within the first two weeks after heparinization.

Publisher

SAGE Publications

Subject

Clinical Neurology,Radiology Nuclear Medicine and imaging,Radiological and Ultrasound Technology

Reference124 articles.

1. Cerebral Venous Thrombosis

2. Abercrombie J: Pathological and Practical Researches of the Brain and Spinal Cord. John Carfral, Edinburgh 1928: 26.

3. Dural sinus and cerebral venous thrombosis

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